deastinflorida deastinflorida
  • 03-11-2020
  • Mathematics
contestada

Angle Theorems for triangles

Respuesta :

Аноним Аноним
  • 03-11-2020

Answer:

Step-by-step explanation:

The interior angles of a triangle add to 180°:a + b + c = 180°

Angles c and d make a straight angle, which is 180°:d + c = 180°

So d + c equals a + b + c:d + c = a + b + c.

Subtract c from both sides:d = a + b.

Answer Link

Otras preguntas

2x+5y=15 in slope intercept form
What is a number called frontwards and backward like 959
Find the difference between 12.34 and answer to the nearest tenths place
does anyone know if 4 can go into 72
David opens a bank account with $140 and then deposits $150 each month. Louis opens a bank account with $260 and deposits $120 each month.  How many months will
what strategic advantage did the thirteen colonies enjoy because of their geographic location?
Were the Wichita nomadic?
Traveling at 65 miles per hour, approximately how long will it take for Marcus to drive 310 miles
What is the fraction for 1.83
An old house in Boxerville measures 30 feet in height and has windows 5 feet width. An architecture student builds a proportional model that is 3 feet high. How